package cn.lzd.mr.count.inputformat;

import org.apache.hadoop.io.BytesWritable;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.mapreduce.InputSplit;
import org.apache.hadoop.mapreduce.RecordReader;
import org.apache.hadoop.mapreduce.TaskAttemptContext;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;

import java.io.IOException;

/**
 * 学习：先了解、后深入；先记录、后记忆；先理论、后实践；先模仿、后创新
 * Created by lzd on 2018/5/15.
 */
public class WholeFileinputformat extends FileInputFormat<NullWritable,BytesWritable> {


    @Override
    public RecordReader<NullWritable, BytesWritable> createRecordReader(InputSplit inputSplit, TaskAttemptContext taskAttemptContext) throws IOException, InterruptedException {
        return new WholeRecordReader();
    }
}
